Merge branch 'double' into main

merge

main.cpp

@@ -5,7 +5,7 @@ using namespace std;
 int main()
 {
     cout<<"Enter A and B: ";
-    int a,b;
+    double a,b;
     cin>>a>>b;
     cout<<"A+B= "<<a+b<<'\n'
 	<<"A-B"<<a-b<<'\n'

project.cbp

@@ -32,6 +32,7 @@
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
 		</Compiler>
+		<Unit filename=".gitignore" />
 		<Unit filename="main.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />